Win32.HLLW.Autoruner2.34591

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'huiqoc' = '%HOMEPATH%\huiqoc.exe /d'

Creates the following files on removable media:

<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\iYld.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\huiqoc.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\huiqocx.exe

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Modifies file system:

Creates the following files:

%HOMEPATH%\huiqoc.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\huiqoc.exe
<Drive name for removable media>:\huiqocx.exe
<Drive name for removable media>:\iYld.ico
%HOMEPATH%\huiqoc.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

'ns#.##ayer1532.com':8000

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\huiqoc.exe'

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Technical Information